How high is the Sangamon River Near Oakford, IL right now?

The Sangamon River Near Oakford, IL is currently flowing at 2,260 cubic feet per second with a gage height of 5.47 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Sangamon River Near Oakford, IL normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 35th percentile compared to the long-term historical record at this gauge.

Is the Sangamon River Near Oakford, IL at flood stage?

No — the gage height is 465.53 feet below the NWS flood-stage threshold of 471.0 feet.

What is the historical median flow for the Sangamon River Near Oakford, IL on June 11?

The long-term median discharge for this date is 3,300 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 1,130 to 16,300 cfs.

Where is the Sangamon River Near Oakford, IL stream gauge located?

The Sangamon River Near Oakford, IL stream gauge is operated by the USGS in Mason County, IL on the Sangamon River. USGS site number 05583000 (coordinates 40.1234, -89.9840).

Sangamon River Near Oakford, IL

USGS Site No: 05583000 • Sangamon River • Mason County, IL

Sangamon River Near Oakford, IL on the Sangamon River is currently at 2,260 cfs (Normal — 35th percentile for this date) . Gage height: 5.47 ft.

Reading from 1 week ago

↑ Upstream on Sangamon River

Sangamon River at Petersburg, IL

2,260

CFS Discharge

5.47

Gage Height (ft)

Normal

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	1,130
25th	Low threshold	1,610
50th (Median)	Normal (median)	3,300	Today: 2,260 cfs
75th	High threshold	6,890
95th	Very High threshold	16,300

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	2,600	5.80
May 27, 2026	2,900	6.09
May 26, 2026	3,300	6.45
May 25, 2026	3,640	6.74
May 24, 2026	3,800	6.88
May 23, 2026	4,120	7.14
May 22, 2026	4,590	7.53
May 21, 2026	4,830	7.71
May 20, 2026	4,200	7.21
May 19, 2026	3,460	6.59
May 18, 2026	3,260	6.41
May 17, 2026	3,190	6.35
May 16, 2026	3,100	6.27
May 15, 2026	3,260	6.41
Apr 20, 2026	6,910	9.23
Apr 19, 2026	6,150	8.70
Apr 18, 2026	4,040	7.07
Apr 17, 2026	3,210	6.36
Apr 16, 2026	3,060	6.23
Apr 15, 2026	2,690	5.88
Apr 14, 2026	2,750	5.95
Apr 13, 2026	2,920	6.10
Apr 12, 2026	3,100	6.27
Apr 11, 2026	3,450	6.57
Apr 10, 2026	3,900	6.97
Apr 9, 2026	4,310	7.30
Apr 8, 2026	4,780	7.67
Apr 7, 2026	5,540	8.25
Apr 6, 2026	6,260	8.77
Apr 5, 2026	6,830	9.18

Station Information

USGS Site No: 05583000
State: IL
County: Mason County
Coordinates: 40.1234, -89.9840
Drainage Area: 5,093 mi²
Datum (ft): 452.5
HUC Code: 07130008

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 469.0 ft
Flood Stage: 471.0 ft
Moderate Flood: 472.9 ft
Major Flood: 478.5 ft

Currently 465.53 ft below flood stage.

Recent Extremes

Max discharge: 8,050 cfs

Apr 3, 2026
Min discharge: 239 cfs

Dec 18, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Sangamon River at Petersburg, IL
10.8 mi · 1,310 cfs

Normal
Salt Creek Near Greenview, IL
13.1 mi · 723 cfs

Low
Spring Creek at Springfield, IL
26.1 mi · 53 cfs

Normal
North Fork Mauvaise Terre Creek near Jacksonville, IL
26.2 mi

Unknown
Sangamon River at Riverton, IL
30.1 mi · 940 cfs

Normal